[Bug c++/41201] #pragma GCC target ("sse2") doesn't alter __SSE2__ in C++ (as it does in C)

[davek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41201

--- Comment #7 from Dave Korn <davek at gcc dot gnu.org> 2010-12-08 14:19:40 
UTC ---
(In reply to comment #6)
> I stumbled into the underlying cause of this bug 

Should clarify: I'm referring to the broken-ness referred to in comments 1 and
4.  My patch probably won't make any difference to the original testcase,
because it's to do with declarations, not preprocessor macros.